Redhat System Administration 2

Welcome to Red Hat System Administration II training blog,

I will write only important commands and summary of topics not details..

On the x86 and x86-64 architectures, the product family includes;

  1. Red hat Enterprise Linux Advanced Platform
    • Unlimited server size and virtualization support
    • HA clusters and cluster file system
  2. Red Hat Enterprise Linux
    • Basic Server solution for smaller non-mission-critical servers
    • Virtualization support included
    • Up to 2 cpu scokets and up to 4 virtualized guest operating systems.
  3. RedhatEnterprise Linux Desktop
    • Productivity desktop envionment

Objectives

  1. Control administrative access to Red Hat Enterprise Linux
  2. Manage software packages with yum and rpm
  3. Set up core system services and security
  4. Understand system and service initialization
  5. Monitor the kernel and configure kernel parameters
  6. Set up IPv4 networking
  7. Maintain existing filesystems and integrate new filesystems
  8. Perform local user and group administration
  9. Enhance user management wit SedGID,ACLsi and quotas
  10. Enable Centralized authentication with NIS and LDAP
  11. Implement partitioning with Software RAID and LVM
  12. Install virtual sytems with Kickstart
  13. Troubleshoot boot process with rescue mode

Change language

  1. Show language
    • locale charmap
    • locale -m     (show all character encoding)
    • cat /etc/sysconfig/i18n
    • language
  2. The OS’s default language is normally set to US English (en_US.UTF-8)
  3. You can can change language with;
    1. LANG=tr_TR.ISO-8859-9 date (turkish character encoding)
    2. vi /etc/sysconfig/i18n open file with vi editor and write character encoding.
  4. Users can set personal language preference
    1. stored ~/.dmrc  and  ~/.bashrc
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